| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 | |
| #2 | United Kingdom | 3 | |
| #3 | France | 2 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Civil engineering | |
| #3 | Engines, pumps and turbines | |
| #4 | Mechanical elements | |
| #5 | Measurement | |
| #6 | Machine tools | |
| #7 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Earth drilling | |
| #3 | Pumps | |
| #4 | Venting or aerating devices | |
| #5 | Gearing | |
| #6 | Accessories for machine tools | |
| #7 | Pipes | |
| #8 | Measuring force, work and fluid pressure | |
| #9 | Vehicle parts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Axelson Jule C | 3 |
| #2 | Axelson Delbert F | 3 |
| #3 | Wilhelm Jardh | 2 |
| #4 | Barnwell Dwight H | 1 |
| #5 | Platenberg Herman W | 1 |
| #6 | Sargent Sumner B | 1 |
| #7 | Mckown Randall C | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1757139A | Valve for oil pumps | |
| US1614747A | Protected standing-valve puller | |
| GB277738A | Sucker rods | |
| US1641613A | Pump | |
| US1601964A | Standing-valve puller | |
| US1585634A | Load indicator | |
| US1712766A | Geared headstock for lathes | |
| GB238593A | Sucker rod | |
| GB230666A | Sucker rod couplings | |
| US1629015A | Spare-tire lock | |
| US1577317A | Belt tightener with rapid belt tension release | |
| US1497398A | Sucker-rod coupling | |
| US1530287A | Ball seat | |
| US1401302A | Sucker-rod coupling |